YEAR MONTH MEAN STDEV COUNT 2002 1 nan nan 0 2002 2 nan nan 0 2002 3 nan nan 0 2002 4 nan nan 0 2002 5 nan nan 0 2002 6 nan nan 0 2002 7 1.77419e-01 1.11524e-01 32 2002 8 1.08467e-01 3.18446e-01 26 2002 9 -8.58563e-01 3.33419e-01 3 2002 10 3.25243e-01 3.74932e-01 80 2002 11 8.80487e-01 1.57918e-01 152 2002 12 4.62733e-01 4.34530e-01 149 2003 1 5.37196e-01 3.11772e-01 203 2003 2 2.36139e-01 8.90334e-02 131 2003 3 2.40414e+00 2.26877e-02 3 2003 4 7.61311e-01 4.10550e-01 66 2003 5 6.23349e-02 5.70757e-01 44 2003 6 3.98530e-01 2.92728e-01 33 2003 7 7.39892e-01 1.96943e-01 16 2003 8 8.35891e-01 1.10778e-01 8 2003 9 -1.53345e-01 2.16221e+00 23 2003 10 2.11817e-01 3.57126e-01 157 2003 11 4.11003e-01 3.58800e-01 176 2003 12 4.16080e-01 1.63363e-01 129 2004 1 2.15351e-01 1.65591e-01 100 2004 2 5.14927e-01 1.95419e-01 80 2004 3 4.31367e-01 1.75813e-01 93 2004 4 2.85859e-01 1.32123e-01 97 2004 5 1.65425e-01 8.47945e-02 87 2004 6 1.51904e-01 3.54843e-02 16 2004 7 2.29913e-01 3.55758e-02 32 2004 8 1.28828e-01 7.54383e-02 80 2004 9 1.89251e-01 2.61598e-01 37 2004 10 5.62303e-01 2.05596e-01 82 2004 11 2.43014e-01 4.83602e-01 99 2004 12 5.32342e-01 1.35818e-01 114 2005 1 4.06155e-01 1.72638e-01 140 2005 2 3.16731e-01 1.12888e-01 80 2005 3 5.36380e-01 1.48427e-01 172 2005 4 1.06042e+00 1.56360e-01 64 2005 5 -2.46659e-02 2.82690e-01 34 2005 6 -1.30196e-02 1.04052e+00 58 2005 7 4.42306e-01 2.81682e-01 31 2005 8 nan nan 0 2005 9 3.53243e-01 5.09862e-01 29 2005 10 1.40139e-01 5.49773e-01 116 2005 11 3.59769e-01 2.24733e-01 170 2005 12 4.32272e-01 9.83295e-02 104 2006 1 4.14009e-01 1.12435e-01 128 2006 2 3.67365e-01 1.87805e-01 148 2006 3 3.21838e-01 2.29386e-01 154 2006 4 1.79953e-01 1.02385e-01 81 2006 5 1.56421e-01 1.71920e-01 100 2006 6 1.45744e-01 1.39851e-01 56 2006 7 1.93311e-01 1.41111e-01 20 2006 8 3.71730e-02 1.93226e-01 54 2006 9 2.68182e-01 2.89495e-01 80 2006 10 1.98924e-01 2.60634e-01 104 2006 11 2.92988e-01 1.76946e-01 157 2006 12 1.40813e-01 9.45438e-02 86 2007 1 5.88483e-01 2.85935e-01 82 2007 2 5.67029e-01 1.89615e-01 133 2007 3 1.83217e-01 2.82857e-01 218 2007 4 1.04854e-01 1.21065e-01 110 2007 5 -9.41607e-03 1.04106e-01 70 2007 6 1.85388e-01 7.46877e-02 38 2007 7 3.77898e-01 1.28562e-01 44 2007 8 1.91519e-01 8.10746e-02 32 2007 9 3.29992e-01 1.53350e-01 26 2007 10 -2.77432e+00 1.06459e+01 70 2007 11 2.60437e-01 2.98865e-01 217 2007 12 1.23514e-01 2.23962e-01 78 2008 1 3.64050e-01 3.06025e-01 175 2008 2 3.36858e-01 1.32498e-01 221 2008 3 5.76244e-01 2.38018e-01 122 2008 4 3.44381e-01 1.98497e-01 86 2008 5 3.08959e-01 7.80639e-02 50 2008 6 3.33143e-01 1.86068e-01 77 2008 7 2.62629e-01 9.15248e-02 16 2008 8 nan nan 0 2008 9 5.95528e-01 2.86254e-01 63 2008 10 5.92948e-01 1.58568e-01 146 2008 11 4.03123e-01 1.61468e-01 231 2008 12 3.93537e-01 2.81380e-01 132 2009 1 3.47378e-01 2.54419e-01 161 2009 2 3.02592e-01 1.56253e-01 178 2009 3 2.24091e-01 1.61021e-01 146 2009 4 5.15218e-01 2.16456e-01 11 2009 5 4.45023e-01 2.54330e-01 42 2009 6 3.48183e-01 3.18499e-02 21 2009 7 3.86262e-01 1.31432e-01 16 2009 8 2.18444e-01 2.03257e-01 50 2009 9 2.67441e-01 2.58854e-01 55 2009 10 7.00075e-01 8.22467e-01 108 2009 11 6.31701e-01 1.75912e-01 81 2009 12 1.14180e+00 2.89820e-01 44 2010 1 9.76894e-01 3.95367e-01 128 2010 2 9.45848e-01 2.35787e-01 118 2010 3 7.39497e-01 1.95546e-01 128 2010 4 2.73773e-01 2.10786e-01 89 2010 5 1.34648e-01 2.36259e-01 64 2010 6 4.16092e-02 1.64486e-01 75 2010 7 2.73030e-01 1.62385e-01 45 2010 8 1.34760e-01 2.19170e-01 9 2010 9 1.01263e-01 2.89109e-01 146 2010 10 5.58784e-02 2.66394e-01 250 2010 11 -2.62818e-02 4.02385e-01 222 2010 12 3.27617e-01 1.42471e-01 176 2011 1 2.97590e-01 1.53670e-01 166 2011 2 4.68969e-01 2.01483e-01 174 2011 3 4.24994e-01 1.75929e-01 132 2011 4 2.13363e-01 1.76165e-01 95 2011 5 2.30027e-01 1.07650e-01 102 2011 6 4.48450e-01 1.00229e-01 45 2011 7 3.27918e-01 1.29070e-01 32 2011 8 1.20085e-01 2.55734e-01 73 2011 9 1.51520e-01 2.43361e-01 120 2011 10 2.39766e-01 1.27219e-01 229 2011 11 2.44453e-01 1.48726e-01 176 2011 12 2.08143e-01 9.43175e-02 156 2012 1 1.93876e-01 2.35090e-01 203 2012 2 2.37763e-01 3.15413e-02 28 2012 3 1.39671e-01 1.81831e-01 185 2012 4 -7.29468e-03 1.36188e-01 115 2012 5 8.58219e-02 1.28207e-01 66 2012 6 4.96985e-01 1.65341e-01 30 2012 7 -8.91469e-01 2.94459e-01 11 2012 8 8.37517e-02 3.02601e-01 18 2012 9 1.48807e-01 2.10473e-01 22 2012 10 7.43604e-01 2.86553e-01 94 2012 11 3.41325e-01 1.92429e-01 144 2012 12 4.03389e-01 3.53745e-01 108 2013 1 3.24797e-01 1.72351e-01 106 2013 2 3.93620e-01 1.89292e-01 79 2013 3 1.06873e+00 3.42064e-01 103 2013 4 4.17848e-01 9.22517e-02 48 2013 5 -2.32773e-01 3.00072e-01 49 2013 6 -5.60423e-03 1.53149e-01 59 2013 7 nan nan 0 2013 8 1.60945e-01 7.12574e-01 36 2013 9 3.16105e-01 3.14734e-01 48 2013 10 3.75203e-01 3.40104e-01 121 2013 11 3.06419e-01 2.92112e-01 109 2013 12 1.55557e-01 4.25592e-01 111 2014 1 1.03503e+00 4.21976e-01 101 2014 2 3.17244e-01 1.61296e-01 135 2014 3 7.66951e-01 2.54720e-01 76 2014 4 4.21820e-01 1.01614e-01 48 2014 5 5.57084e-01 3.34894e-01 32 2014 6 1.18980e-01 1.80444e+00 35 2014 7 5.54750e-02 1.08385e-01 64 2014 8 -3.16877e-02 1.35783e-01 48 2014 9 2.51843e-01 1.29971e-01 96 2014 10 3.64073e-01 1.74445e-01 260 2014 11 4.34075e-01 2.29796e-01 185 2014 12 3.33975e-01 2.45977e-01 156 2015 1 7.18291e-01 2.20429e-01 132 2015 2 7.48932e-01 2.10123e-01 132 2015 3 3.45688e-01 1.61161e-01 121 2015 4 2.65013e-01 2.85084e-01 54 2015 5 3.36567e-01 7.83872e-02 73 2015 6 2.26608e-01 1.48357e-01 20 2015 7 2.24528e-01 1.14611e-01 17 2015 8 1.71386e-01 4.75415e-01 37 2015 9 2.05036e-01 5.39323e-01 57 2015 10 3.66486e-01 1.32514e-01 97 2015 11 5.94976e-01 4.23238e-01 65 2015 12 1.11548e-01 7.21698e-01 47 2016 1 9.49301e-01 2.43239e-01 152 2016 2 6.04722e-01 2.42070e-01 241 2016 3 4.04952e-01 1.67456e-01 110 2016 4 1.04978e+00 6.49931e-01 46 2016 5 4.08740e-02 1.45488e-01 34 2016 6 -1.00336e-01 2.13824e-01 105 2016 7 -1.35035e-01 5.20691e-01 94 2016 8 5.17952e-01 4.18588e-01 43 2016 9 2.08759e-01 8.34715e-01 43 2016 10 4.76885e-01 2.01260e-01 153 2016 11 3.81233e-01 1.25165e-01 154 2016 12 1.67334e-01 1.79863e-01 211 2017 1 3.50690e-01 2.44462e-01 127 2017 2 2.53270e-01 1.97584e-01 238 2017 3 1.00743e-01 2.03863e-01 145 2017 4 2.01723e-01 1.44457e-01 105 2017 5 1.91678e-01 1.41137e-01 67 2017 6 -6.92258e-02 7.18168e-02 16 2017 7 nan nan 0 2017 8 -2.02115e-01 5.75200e-01 63 2017 9 1.69289e-01 2.31940e-01 59 2017 10 3.40920e-01 6.30555e-01 116 2017 11 3.27609e-01 9.37676e-02 226 2017 12 2.16934e-01 1.99489e-01 93 2018 1 1.73058e-01 1.37620e-01 219 2018 2 1.04958e-01 1.29563e-01 102 2018 3 1.65282e-01 1.82886e-01 171 2018 4 1.61418e-01 6.41332e-02 152 2018 5 7.25631e-02 7.54972e-02 80 2018 6 1.49588e-01 7.23942e-02 40 2018 7 2.43906e-02 4.83608e-01 74 2018 8 8.43853e-03 1.12497e-01 16 2018 9 2.42685e-01 2.60886e-01 43 2018 10 6.27922e-01 4.83165e-01 183 2018 11 5.06794e-01 1.57554e-01 80 2018 12 8.04558e-01 2.64976e-01 120 2019 1 9.53850e-01 2.46150e-01 162 2019 2 7.16159e-01 1.58183e-01 48 2019 3 5.43411e-01 2.16090e-01 106 2019 4 5.54664e-01 1.83375e-01 88 2019 5 -2.75572e-02 5.46368e-01 111 2019 6 -2.01605e-01 3.95224e-01 37 2019 7 -1.20568e-01 3.04597e-01 26 2019 8 3.64756e-01 1.37078e-01 46 2019 9 4.75227e-01 1.23671e-01 96 2019 10 2.43042e-01 1.80157e-01 80 2019 11 2.26233e-01 2.77194e-01 162 2019 12 5.38740e-01 2.61677e-01 49 2020 1 3.45013e-01 2.46669e-01 84 2020 2 5.95331e-01 1.81039e-01 130 2020 3 7.23339e-01 2.47524e-01 106 2020 4 2.79837e-01 1.34699e-01 85 2020 5 2.43465e-01 3.40364e-01 93 2020 6 7.58991e-02 1.28062e-01 34 2020 7 1.34356e-01 5.85812e-02 15 2020 8 -7.57376e-02 1.87483e-01 64 2020 9 1.29149e+00 6.76046e-02 16 2020 10 6.90250e-01 2.10061e-01 70 2020 11 7.13605e-01 2.35818e-01 155 2020 12 5.40955e-01 1.35371e-01 154 2021 1 6.86222e-01 1.10656e-01 112 2021 2 7.27174e-01 2.56475e-01 103 2021 3 6.88998e-01 1.93301e-01 101 2021 4 4.70929e-01 1.72528e-01 89 2021 5 3.79461e-01 1.32441e-01 74 2021 6 -2.83899e-01 5.89752e-02 10 2021 7 3.86230e-01 9.51806e-02 32 2021 8 2.54430e-01 2.52986e-01 48 2021 9 -2.52324e-02 3.54640e-01 25 2021 10 6.12419e-01 1.79204e-01 47 2021 11 5.75441e-01 3.58378e-01 132 2021 12 4.72285e-01 5.45556e-01 102 2022 1 5.13581e-01 2.04060e-01 213 2022 2 3.66251e-01 8.55998e-02 88 2022 3 5.60578e-01 2.96977e-01 169 2022 4 4.09051e-01 1.82532e-01 30 2022 5 3.64485e-01 8.52026e-02 32 2022 6 3.57476e-01 1.15689e-01 40 2022 7 8.05753e-02 2.41182e-01 65 2022 8 1.40406e-01 2.04445e-01 92 2022 9 6.44139e-01 2.49337e-01 56 2022 10 4.02308e-01 2.72266e-01 192 2022 11 4.85987e-02 4.18144e-01 99 2022 12 3.07594e-01 2.63047e-01 194 2023 1 2.35025e-01 1.95831e-01 232 2023 2 3.53378e-01 2.27976e-01 197 2023 3 -4.17024e-02 6.45356e-01 126 2023 4 1.10987e-01 3.61864e-01 56 2023 5 6.53469e-02 2.14353e-01 53 2023 6 1.32530e-01 7.00354e-02 33 2023 7 4.07857e-01 3.34655e-01 60 2023 8 -1.89462e-01 1.42058e+00 37 2023 9 5.28468e-01 2.69174e-01 104 2023 10 6.07978e-01 4.78892e-01 135 2023 11 3.45916e-01 1.68412e-01 124 2023 12 5.44850e-01 3.27705e-01 50 2024 1 4.15602e-01 3.97439e-01 64 2024 2 4.98640e-01 1.29437e-01 148 2024 3 5.40170e-01 1.91444e-01 96 2024 4 nan nan 0